US Patent: 574,513
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Wrench
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Patentee:
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John A. Barker (exact or similar names) - La Canada, CA |
USPTO Classifications: |
81/93 |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Mar. 30, 1896 |
Granted: |
Jan. 05, 1897 |
Patent Pictures:
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John A. Barker patent January 5, 1897 |
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Stan Schulz
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Description: |
Screw adjust, with a rocking movable jaw. |
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